you told me before you can literally be walking down to your village store at your place in spain and a melody would come to you. >> yes. i wish i could tell you why. sometimes you get a melody you work on and work on and work on and it doesn't come easily but you begin to think -- one of this is "tell me on sunday." i spent a long time on this one. ♪ trying different phrases. trying to take different directions. a song which was hugely successful song of mine but not so well known in america. but i had a very, very big head with a song "no matter what." i'll play it quickly or simply. ♪ that was the tune of that. ♪ statistically that's one of my biggest ever. ♪ i wrote that. i wrote it. what i was doing i was playing around the piano. >> can you literally get the whole thing in your head? >> sometimes it comes like that. what also happens you're sitting at a piano and going just playing around which i often do. i come up and say -- ♪ suddenly you go -- ♪ >> do you feel -- >> i had been sometimes gone off, gone to the frigid and opened a glass of wine. what's that. i come